1128604566 has 16 divisors (see below), whose sum is σ = 2265188544. Its totient is φ = 374871624.

The previous prime is 1128604511. The next prime is 1128604567. The reversal of 1128604566 is 6654068211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128604567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330636 + ... + 334031.

It is an arithmetic number, because the mean of its divisors is an integer number (141574284).

Almost surely, 2^1128604566 is an apocalyptic number.

1128604566 is an abundant number, since it is smaller than the sum of its proper divisors (1136583978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128604566 is a wasteful number, since it uses less digits than its factorization.

1128604566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664955.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1128604566 is about 33594.7103872023. The cubic root of 1128604566 is about 1041.1515123931.

The spelling of 1128604566 in words is "one billion, one hundred twenty-eight million, six hundred four thousand, five hundred sixty-six".